Table. 11.

The indices of risk assessment

Index	Definition	Measure of severity
Contact Rate	Track the growth rate of contacts	Measure the dense of the group is exposed to the virus
Infection Rate	Suspected Case	Measures the probability of a group infected
Confirmed Rate	Rate of confirmed cases	Measure the growing rate of the epidemic in a certain period of time
Cured Rate	Number of patients discharged	Measure lethality and the improvement of the epidemic
Death Rate	Cumulative death	Measure the lethal rate of the infected population and reflect the medical conditions of various places from the side